package thread_01;

class Poin{
    public static Poin makePointByXY(double x,double y){
        Poin p = new Poin();
//        p.setX(x);
//        p.setY(y);
        return p;
    }

    public static Poin makePointByRA(double r,double a){
        Poin p = new Poin();
//        p.setR(r);
//        p.setA(a);
        return p;
    }
}
public class Demo32 {
}
